W32/Rbot-GKO is a network worm with IRC backdoor functionality for the Windows platform.
W32/Rbot-GKO spreads by exploiting common network vulnerabilities.
W32/Rbot-GKO allows a remote attacker to gain access and control over the infected computer using IRC channels.
When first run W32/Rbot-GKO copies itself to <System>\GoogleUpdater.exe and creates the following registry entries to run GoogleUpdater.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Offices Monitors
<path of worm executable>
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Offices Monitorse
<path of worm executable>
W32/Rbot-GKO sets the following registry entries in order to secure the infected computer against further exploits:
HKLM\SOFTWARE\Microsoft\Ole\
EnableDCOM
N
HKLM\SYSTEM\CurrentControlSet\Control\Lsa\
restrictanonymous
1